Home / 47,872.31-66,071.68-36,520.36

Finding the Fourth Proportional to 47,872.31, 66,071.68 and 36,520.36

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Solution

The fourth proportional to 47,872.31, 66,071.68 and 36,520.36 is: 50,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872.31 : 66,071.68 = 36,520.36 : x
  2. Step 2: Convert to fraction form
    47,872.31/66,071.68 = 36,520.36/x
  3. Step 3: Cross multiply
    47,872.31x = 66,071.68 × 36,520.36
  4. Step 4: Simplify right side
    47,872.31x = 2,412,961,282.92
  5. Step 5: Solve for x
    x = 2,412,961,282.92/47,872.31
  6. Step 6: Final answer
    x = 50,404.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.